ISRO Chairman K Sivan said the Indian Air Force and other agencies will play a major role during the selection of astronauts for the human space mission project.

ISRO chief K Sivan | Praveen Jain/ThePrint

Another scientist said the Defence Research and Development Organisation too will play a major role in this endeavour.

Addressing a press conference here, Sivan said the first unmanned mission for ‘Gaganyaan’ has been planned for December 2020, the second unmanned mission for July 2021 and the final manned mission by December 2021.